Finding the Fourth Proportional to 1,729,651,800.09, 2,386,907,598.71 and 936,679,632.94
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Solution
The fourth proportional to 1,729,651,800.09, 2,386,907,598.71 and 936,679,632.94 is: 1,292,611,457.00
Step by Step Solution
- Step 1: Write the proportion equation
1,729,651,800.09 : 2,386,907,598.71 = 936,679,632.94 : x - Step 2: Convert to fraction form
1,729,651,800.09/2,386,907,598.71 = 936,679,632.94/x - Step 3: Cross multiply
1,729,651,800.09x = 2,386,907,598.71 × 936,679,632.94 - Step 4: Simplify right side
1,729,651,800.09x = 2,235,767,733,421,379,840 - Step 5: Solve for x
x = 2,235,767,733,421,379,840/1,729,651,800.09 - Step 6: Final answer
x = 1,292,611,457.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.